Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
hanh tai » thanh tai, hang tai, han tai
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua
y sang » _ sang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
cau tu » dau tu, cau truc

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach y sang ma hoi. hieu ve ((cau tu) or (cau luc)) va hanh tai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach y sang ma hoi. hieu ve ((cau tu) OR (cau luc)) va hanh tai cua vat*.